Global Resource Management - Mega crossword

What is currently being explored in the UK as a means to extract gas that is locked in rocks thousands of metres below the Earth's surface?
Electricity generated by turbines that are driven by moving water.
Uninterrupted availability of energy sources at an affordable price.
An energy source that is not diminished when it is used; it recurs and cannot be exhausted (for example wind and tidal energy).
These are all meant to be decommissioned in the UK by 2023.
There is a sufficient amount of this in the UK for at least another two to three hundred years.
The different sources of energy used by households, industry, and other commercial users such as shops and offices
These were formed over many thousands of years, and as they take so long to replace they are regarded as non renewable (coal, oil and gas are examples).
An area in the UK where fracking is being heavily considered.
Actions and forms of progress that meet the needs of the present without reducing the ability of future generations to meet their needs.